Home / 147,816.74-203,987.28-84,154.53

Finding the Fourth Proportional to 147,816.74, 203,987.28 and 84,154.53

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Solution

The fourth proportional to 147,816.74, 203,987.28 and 84,154.53 is: 116,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,816.74 : 203,987.28 = 84,154.53 : x
  2. Step 2: Convert to fraction form
    147,816.74/203,987.28 = 84,154.53/x
  3. Step 3: Cross multiply
    147,816.74x = 203,987.28 × 84,154.53
  4. Step 4: Simplify right side
    147,816.74x = 17,166,453,674.38
  5. Step 5: Solve for x
    x = 17,166,453,674.38/147,816.74
  6. Step 6: Final answer
    x = 116,133.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.