Home / 153,409.04-230,151.92-121,937.84

Finding the Fourth Proportional to 153,409.04, 230,151.92 and 121,937.84

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Solution

The fourth proportional to 153,409.04, 230,151.92 and 121,937.84 is: 182,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,409.04 : 230,151.92 = 121,937.84 : x
  2. Step 2: Convert to fraction form
    153,409.04/230,151.92 = 121,937.84/x
  3. Step 3: Cross multiply
    153,409.04x = 230,151.92 × 121,937.84
  4. Step 4: Simplify right side
    153,409.04x = 28,064,227,996.65
  5. Step 5: Solve for x
    x = 28,064,227,996.65/153,409.04
  6. Step 6: Final answer
    x = 182,937.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.