Home / 156,045.60-234,068.40-96,121.80

Finding the Fourth Proportional to 156,045.60, 234,068.40 and 96,121.80

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Solution

The fourth proportional to 156,045.60, 234,068.40 and 96,121.80 is: 144,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,045.60 : 234,068.40 = 96,121.80 : x
  2. Step 2: Convert to fraction form
    156,045.60/234,068.40 = 96,121.80/x
  3. Step 3: Cross multiply
    156,045.60x = 234,068.40 × 96,121.80
  4. Step 4: Simplify right side
    156,045.60x = 22,499,075,931.12
  5. Step 5: Solve for x
    x = 22,499,075,931.12/156,045.60
  6. Step 6: Final answer
    x = 144,182.70

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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.