Home / 156,717.16-216,264.09-85,095.70

Finding the Fourth Proportional to 156,717.16, 216,264.09 and 85,095.70

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Solution

The fourth proportional to 156,717.16, 216,264.09 and 85,095.70 is: 117,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.16 : 216,264.09 = 85,095.70 : x
  2. Step 2: Convert to fraction form
    156,717.16/216,264.09 = 85,095.70/x
  3. Step 3: Cross multiply
    156,717.16x = 216,264.09 × 85,095.70
  4. Step 4: Simplify right side
    156,717.16x = 18,403,144,123.41
  5. Step 5: Solve for x
    x = 18,403,144,123.41/156,717.16
  6. Step 6: Final answer
    x = 117,429.03

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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.