Home / 153,280.74-211,574.33-98,832.95

Finding the Fourth Proportional to 153,280.74, 211,574.33 and 98,832.95

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Solution

The fourth proportional to 153,280.74, 211,574.33 and 98,832.95 is: 136,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,280.74 : 211,574.33 = 98,832.95 : x
  2. Step 2: Convert to fraction form
    153,280.74/211,574.33 = 98,832.95/x
  3. Step 3: Cross multiply
    153,280.74x = 211,574.33 × 98,832.95
  4. Step 4: Simplify right side
    153,280.74x = 20,910,515,178.17
  5. Step 5: Solve for x
    x = 20,910,515,178.17/153,280.74
  6. Step 6: Final answer
    x = 136,419.72

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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.