Home / 229,013.03-316,039.88-127,045.17

Finding the Fourth Proportional to 229,013.03, 316,039.88 and 127,045.17

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Solution

The fourth proportional to 229,013.03, 316,039.88 and 127,045.17 is: 175,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,013.03 : 316,039.88 = 127,045.17 : x
  2. Step 2: Convert to fraction form
    229,013.03/316,039.88 = 127,045.17/x
  3. Step 3: Cross multiply
    229,013.03x = 316,039.88 × 127,045.17
  4. Step 4: Simplify right side
    229,013.03x = 40,151,339,646.15
  5. Step 5: Solve for x
    x = 40,151,339,646.15/229,013.03
  6. Step 6: Final answer
    x = 175,323.39

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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.