Home / 156,554.92-216,056.65-88,572.16

Finding the Fourth Proportional to 156,554.92, 216,056.65 and 88,572.16

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Solution

The fourth proportional to 156,554.92, 216,056.65 and 88,572.16 is: 122,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,554.92 : 216,056.65 = 88,572.16 : x
  2. Step 2: Convert to fraction form
    156,554.92/216,056.65 = 88,572.16/x
  3. Step 3: Cross multiply
    156,554.92x = 216,056.65 × 88,572.16
  4. Step 4: Simplify right side
    156,554.92x = 19,136,603,411.29
  5. Step 5: Solve for x
    x = 19,136,603,411.29/156,554.92
  6. Step 6: Final answer
    x = 122,235.72

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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.