Home / 218,888.41-302,052.98-127,000.57

Finding the Fourth Proportional to 218,888.41, 302,052.98 and 127,000.57

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Solution

The fourth proportional to 218,888.41, 302,052.98 and 127,000.57 is: 175,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,888.41 : 302,052.98 = 127,000.57 : x
  2. Step 2: Convert to fraction form
    218,888.41/302,052.98 = 127,000.57/x
  3. Step 3: Cross multiply
    218,888.41x = 302,052.98 × 127,000.57
  4. Step 4: Simplify right side
    218,888.41x = 38,360,902,129.74
  5. Step 5: Solve for x
    x = 38,360,902,129.74/218,888.41
  6. Step 6: Final answer
    x = 175,253.24

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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.