Home / 156,730.56-216,257.76-93,088.32

Finding the Fourth Proportional to 156,730.56, 216,257.76 and 93,088.32

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Solution

The fourth proportional to 156,730.56, 216,257.76 and 93,088.32 is: 128,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,730.56 : 216,257.76 = 93,088.32 : x
  2. Step 2: Convert to fraction form
    156,730.56/216,257.76 = 93,088.32/x
  3. Step 3: Cross multiply
    156,730.56x = 216,257.76 × 93,088.32
  4. Step 4: Simplify right side
    156,730.56x = 20,131,071,565.36
  5. Step 5: Solve for x
    x = 20,131,071,565.36/156,730.56
  6. Step 6: Final answer
    x = 128,443.82

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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.