Home / 223,417.20-308,314.98-127,923.60

Finding the Fourth Proportional to 223,417.20, 308,314.98 and 127,923.60

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Solution

The fourth proportional to 223,417.20, 308,314.98 and 127,923.60 is: 176,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,417.20 : 308,314.98 = 127,923.60 : x
  2. Step 2: Convert to fraction form
    223,417.20/308,314.98 = 127,923.60/x
  3. Step 3: Cross multiply
    223,417.20x = 308,314.98 × 127,923.60
  4. Step 4: Simplify right side
    223,417.20x = 39,440,762,175.53
  5. Step 5: Solve for x
    x = 39,440,762,175.53/223,417.20
  6. Step 6: Final answer
    x = 176,534.14

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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.