Home / 159,116.93-219,587.00-87,502.40

Finding the Fourth Proportional to 159,116.93, 219,587.00 and 87,502.40

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Solution

The fourth proportional to 159,116.93, 219,587.00 and 87,502.40 is: 120,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,116.93 : 219,587.00 = 87,502.40 : x
  2. Step 2: Convert to fraction form
    159,116.93/219,587.00 = 87,502.40/x
  3. Step 3: Cross multiply
    159,116.93x = 219,587.00 × 87,502.40
  4. Step 4: Simplify right side
    159,116.93x = 19,214,387,973.35
  5. Step 5: Solve for x
    x = 19,214,387,973.35/159,116.93
  6. Step 6: Final answer
    x = 120,756.41

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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.