Home / 280,001.58-386,403.93-152,679.30

Finding the Fourth Proportional to 280,001.58, 386,403.93 and 152,679.30

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Solution

The fourth proportional to 280,001.58, 386,403.93 and 152,679.30 is: 210,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,001.58 : 386,403.93 = 152,679.30 : x
  2. Step 2: Convert to fraction form
    280,001.58/386,403.93 = 152,679.30/x
  3. Step 3: Cross multiply
    280,001.58x = 386,403.93 × 152,679.30
  4. Step 4: Simplify right side
    280,001.58x = 58,995,881,549.65
  5. Step 5: Solve for x
    x = 58,995,881,549.65/280,001.58
  6. Step 6: Final answer
    x = 210,698.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.