Home / 153,701.24-212,071.47-93,270.44

Finding the Fourth Proportional to 153,701.24, 212,071.47 and 93,270.44

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Solution

The fourth proportional to 153,701.24, 212,071.47 and 93,270.44 is: 128,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,701.24 : 212,071.47 = 93,270.44 : x
  2. Step 2: Convert to fraction form
    153,701.24/212,071.47 = 93,270.44/x
  3. Step 3: Cross multiply
    153,701.24x = 212,071.47 × 93,270.44
  4. Step 4: Simplify right side
    153,701.24x = 19,779,998,257.99
  5. Step 5: Solve for x
    x = 19,779,998,257.99/153,701.24
  6. Step 6: Final answer
    x = 128,691.21

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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.