Home / 156,918.70-216,565.95-93,255.94

Finding the Fourth Proportional to 156,918.70, 216,565.95 and 93,255.94

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Solution

The fourth proportional to 156,918.70, 216,565.95 and 93,255.94 is: 128,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.70 : 216,565.95 = 93,255.94 : x
  2. Step 2: Convert to fraction form
    156,918.70/216,565.95 = 93,255.94/x
  3. Step 3: Cross multiply
    156,918.70x = 216,565.95 × 93,255.94
  4. Step 4: Simplify right side
    156,918.70x = 20,196,061,239.24
  5. Step 5: Solve for x
    x = 20,196,061,239.24/156,918.70
  6. Step 6: Final answer
    x = 128,703.98

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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.