Home / 157,423.14-236,065.04-45,077.76

Finding the Fourth Proportional to 157,423.14, 236,065.04 and 45,077.76

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Solution

The fourth proportional to 157,423.14, 236,065.04 and 45,077.76 is: 67,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,423.14 : 236,065.04 = 45,077.76 : x
  2. Step 2: Convert to fraction form
    157,423.14/236,065.04 = 45,077.76/x
  3. Step 3: Cross multiply
    157,423.14x = 236,065.04 × 45,077.76
  4. Step 4: Simplify right side
    157,423.14x = 10,641,283,217.51
  5. Step 5: Solve for x
    x = 10,641,283,217.51/157,423.14
  6. Step 6: Final answer
    x = 67,596.69

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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.