Home / 156,912.10-235,368.15-96,988.30

Finding the Fourth Proportional to 156,912.10, 235,368.15 and 96,988.30

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Solution

The fourth proportional to 156,912.10, 235,368.15 and 96,988.30 is: 145,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912.10 : 235,368.15 = 96,988.30 : x
  2. Step 2: Convert to fraction form
    156,912.10/235,368.15 = 96,988.30/x
  3. Step 3: Cross multiply
    156,912.10x = 235,368.15 × 96,988.30
  4. Step 4: Simplify right side
    156,912.10x = 22,827,956,742.65
  5. Step 5: Solve for x
    x = 22,827,956,742.65/156,912.10
  6. Step 6: Final answer
    x = 145,482.45

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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.