Home / 156,718.16-216,265.47-85,096.70

Finding the Fourth Proportional to 156,718.16, 216,265.47 and 85,096.70

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Solution

The fourth proportional to 156,718.16, 216,265.47 and 85,096.70 is: 117,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,718.16 : 216,265.47 = 85,096.70 : x
  2. Step 2: Convert to fraction form
    156,718.16/216,265.47 = 85,096.70/x
  3. Step 3: Cross multiply
    156,718.16x = 216,265.47 × 85,096.70
  4. Step 4: Simplify right side
    156,718.16x = 18,403,477,820.95
  5. Step 5: Solve for x
    x = 18,403,477,820.95/156,718.16
  6. Step 6: Final answer
    x = 117,430.41

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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.