Home / 113,585.13-156,601.92-93,091.77

Finding the Fourth Proportional to 113,585.13, 156,601.92 and 93,091.77

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Solution

The fourth proportional to 113,585.13, 156,601.92 and 93,091.77 is: 128,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,585.13 : 156,601.92 = 93,091.77 : x
  2. Step 2: Convert to fraction form
    113,585.13/156,601.92 = 93,091.77/x
  3. Step 3: Cross multiply
    113,585.13x = 156,601.92 × 93,091.77
  4. Step 4: Simplify right side
    113,585.13x = 14,578,349,918.20
  5. Step 5: Solve for x
    x = 14,578,349,918.20/113,585.13
  6. Step 6: Final answer
    x = 128,347.35

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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.