Home / 156,729.07-216,341.30-93,066.41

Finding the Fourth Proportional to 156,729.07, 216,341.30 and 93,066.41

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Solution

The fourth proportional to 156,729.07, 216,341.30 and 93,066.41 is: 128,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729.07 : 216,341.30 = 93,066.41 : x
  2. Step 2: Convert to fraction form
    156,729.07/216,341.30 = 93,066.41/x
  3. Step 3: Cross multiply
    156,729.07x = 216,341.30 × 93,066.41
  4. Step 4: Simplify right side
    156,729.07x = 20,134,108,125.73
  5. Step 5: Solve for x
    x = 20,134,108,125.73/156,729.07
  6. Step 6: Final answer
    x = 128,464.41

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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.