Home / 153,323.20-229,984.80-144,769.60

Finding the Fourth Proportional to 153,323.20, 229,984.80 and 144,769.60

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Solution

The fourth proportional to 153,323.20, 229,984.80 and 144,769.60 is: 217,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,323.20 : 229,984.80 = 144,769.60 : x
  2. Step 2: Convert to fraction form
    153,323.20/229,984.80 = 144,769.60/x
  3. Step 3: Cross multiply
    153,323.20x = 229,984.80 × 144,769.60
  4. Step 4: Simplify right side
    153,323.20x = 33,294,807,502.08
  5. Step 5: Solve for x
    x = 33,294,807,502.08/153,323.20
  6. Step 6: Final answer
    x = 217,154.40

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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.