Home / 229,748.96-317,007-134,237.20

Finding the Fourth Proportional to 229,748.96, 317,007 and 134,237.20

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Solution

The fourth proportional to 229,748.96, 317,007 and 134,237.20 is: 185,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,748.96 : 317,007 = 134,237.20 : x
  2. Step 2: Convert to fraction form
    229,748.96/317,007 = 134,237.20/x
  3. Step 3: Cross multiply
    229,748.96x = 317,007 × 134,237.20
  4. Step 4: Simplify right side
    229,748.96x = 42,554,132,060.40
  5. Step 5: Solve for x
    x = 42,554,132,060.40/229,748.96
  6. Step 6: Final answer
    x = 185,220.13

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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.