Home / 175,437.44-242,085.51-129,521.52

Finding the Fourth Proportional to 175,437.44, 242,085.51 and 129,521.52

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Solution

The fourth proportional to 175,437.44, 242,085.51 and 129,521.52 is: 178,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,437.44 : 242,085.51 = 129,521.52 : x
  2. Step 2: Convert to fraction form
    175,437.44/242,085.51 = 129,521.52/x
  3. Step 3: Cross multiply
    175,437.44x = 242,085.51 × 129,521.52
  4. Step 4: Simplify right side
    175,437.44x = 31,355,283,225.18
  5. Step 5: Solve for x
    x = 31,355,283,225.18/175,437.44
  6. Step 6: Final answer
    x = 178,726.29

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1.5x scale

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.