Home / 156,065.16-234,482.76-99,929.46

Finding the Fourth Proportional to 156,065.16, 234,482.76 and 99,929.46

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Solution

The fourth proportional to 156,065.16, 234,482.76 and 99,929.46 is: 150,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065.16 : 234,482.76 = 99,929.46 : x
  2. Step 2: Convert to fraction form
    156,065.16/234,482.76 = 99,929.46/x
  3. Step 3: Cross multiply
    156,065.16x = 234,482.76 × 99,929.46
  4. Step 4: Simplify right side
    156,065.16x = 23,431,735,586.11
  5. Step 5: Solve for x
    x = 23,431,735,586.11/156,065.16
  6. Step 6: Final answer
    x = 150,140.72

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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.