Home / 280,326.16-387,050.34-173,041.84

Finding the Fourth Proportional to 280,326.16, 387,050.34 and 173,041.84

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Solution

The fourth proportional to 280,326.16, 387,050.34 and 173,041.84 is: 238,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,326.16 : 387,050.34 = 173,041.84 : x
  2. Step 2: Convert to fraction form
    280,326.16/387,050.34 = 173,041.84/x
  3. Step 3: Cross multiply
    280,326.16x = 387,050.34 × 173,041.84
  4. Step 4: Simplify right side
    280,326.16x = 66,975,903,006.23
  5. Step 5: Solve for x
    x = 66,975,903,006.23/280,326.16
  6. Step 6: Final answer
    x = 238,921.34

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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.