Home / 147,964.84-222,428.40-118,702.78

Finding the Fourth Proportional to 147,964.84, 222,428.40 and 118,702.78

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Solution

The fourth proportional to 147,964.84, 222,428.40 and 118,702.78 is: 178,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,964.84 : 222,428.40 = 118,702.78 : x
  2. Step 2: Convert to fraction form
    147,964.84/222,428.40 = 118,702.78/x
  3. Step 3: Cross multiply
    147,964.84x = 222,428.40 × 118,702.78
  4. Step 4: Simplify right side
    147,964.84x = 26,402,869,430.95
  5. Step 5: Solve for x
    x = 26,402,869,430.95/147,964.84
  6. Step 6: Final answer
    x = 178,440.16

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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.