Home / 178,045.40-245,817.38-158,892.42

Finding the Fourth Proportional to 178,045.40, 245,817.38 and 158,892.42

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Solution

The fourth proportional to 178,045.40, 245,817.38 and 158,892.42 is: 219,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,045.40 : 245,817.38 = 158,892.42 : x
  2. Step 2: Convert to fraction form
    178,045.40/245,817.38 = 158,892.42/x
  3. Step 3: Cross multiply
    178,045.40x = 245,817.38 × 158,892.42
  4. Step 4: Simplify right side
    178,045.40x = 39,058,518,386.26
  5. Step 5: Solve for x
    x = 39,058,518,386.26/178,045.40
  6. Step 6: Final answer
    x = 219,373.93

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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.