Home / 153,964.40-230,946.60-144,633.20

Finding the Fourth Proportional to 153,964.40, 230,946.60 and 144,633.20

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Solution

The fourth proportional to 153,964.40, 230,946.60 and 144,633.20 is: 216,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,964.40 : 230,946.60 = 144,633.20 : x
  2. Step 2: Convert to fraction form
    153,964.40/230,946.60 = 144,633.20/x
  3. Step 3: Cross multiply
    153,964.40x = 230,946.60 × 144,633.20
  4. Step 4: Simplify right side
    153,964.40x = 33,402,545,787.12
  5. Step 5: Solve for x
    x = 33,402,545,787.12/153,964.40
  6. Step 6: Final answer
    x = 216,949.80

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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.