Home / 369,036.20-553,275.42-155,870.12

Finding the Fourth Proportional to 369,036.20, 553,275.42 and 155,870.12

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Solution

The fourth proportional to 369,036.20, 553,275.42 and 155,870.12 is: 233,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,036.20 : 553,275.42 = 155,870.12 : x
  2. Step 2: Convert to fraction form
    369,036.20/553,275.42 = 155,870.12/x
  3. Step 3: Cross multiply
    369,036.20x = 553,275.42 × 155,870.12
  4. Step 4: Simplify right side
    369,036.20x = 86,239,106,108.45
  5. Step 5: Solve for x
    x = 86,239,106,108.45/369,036.20
  6. Step 6: Final answer
    x = 233,687.39

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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.