Home / 156,909.17-235,289.64-56,999.72

Finding the Fourth Proportional to 156,909.17, 235,289.64 and 56,999.72

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Solution

The fourth proportional to 156,909.17, 235,289.64 and 56,999.72 is: 85,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,909.17 : 235,289.64 = 56,999.72 : x
  2. Step 2: Convert to fraction form
    156,909.17/235,289.64 = 56,999.72/x
  3. Step 3: Cross multiply
    156,909.17x = 235,289.64 × 56,999.72
  4. Step 4: Simplify right side
    156,909.17x = 13,411,443,598.90
  5. Step 5: Solve for x
    x = 13,411,443,598.90/156,909.17
  6. Step 6: Final answer
    x = 85,472.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.