Home / 156,710.04-216,253.78-85,088.42

Finding the Fourth Proportional to 156,710.04, 216,253.78 and 85,088.42

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Solution

The fourth proportional to 156,710.04, 216,253.78 and 85,088.42 is: 117,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,710.04 : 216,253.78 = 85,088.42 : x
  2. Step 2: Convert to fraction form
    156,710.04/216,253.78 = 85,088.42/x
  3. Step 3: Cross multiply
    156,710.04x = 216,253.78 × 85,088.42
  4. Step 4: Simplify right side
    156,710.04x = 18,400,692,459.23
  5. Step 5: Solve for x
    x = 18,400,692,459.23/156,710.04
  6. Step 6: Final answer
    x = 117,418.72

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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.