Home / 369,171.12-553,802.82-144,502.56

Finding the Fourth Proportional to 369,171.12, 553,802.82 and 144,502.56

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Solution

The fourth proportional to 369,171.12, 553,802.82 and 144,502.56 is: 216,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,171.12 : 553,802.82 = 144,502.56 : x
  2. Step 2: Convert to fraction form
    369,171.12/553,802.82 = 144,502.56/x
  3. Step 3: Cross multiply
    369,171.12x = 553,802.82 × 144,502.56
  4. Step 4: Simplify right side
    369,171.12x = 80,025,925,225.22
  5. Step 5: Solve for x
    x = 80,025,925,225.22/369,171.12
  6. Step 6: Final answer
    x = 216,771.90

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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.