Home / 238,101.65-328,569.44-130,669.55

Finding the Fourth Proportional to 238,101.65, 328,569.44 and 130,669.55

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Solution

The fourth proportional to 238,101.65, 328,569.44 and 130,669.55 is: 180,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,101.65 : 328,569.44 = 130,669.55 : x
  2. Step 2: Convert to fraction form
    238,101.65/328,569.44 = 130,669.55/x
  3. Step 3: Cross multiply
    238,101.65x = 328,569.44 × 130,669.55
  4. Step 4: Simplify right side
    238,101.65x = 42,934,019,225.70
  5. Step 5: Solve for x
    x = 42,934,019,225.70/238,101.65
  6. Step 6: Final answer
    x = 180,318.03

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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.