Home / 158,148.04-218,244.16-86,528.36

Finding the Fourth Proportional to 158,148.04, 218,244.16 and 86,528.36

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Solution

The fourth proportional to 158,148.04, 218,244.16 and 86,528.36 is: 119,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,148.04 : 218,244.16 = 86,528.36 : x
  2. Step 2: Convert to fraction form
    158,148.04/218,244.16 = 86,528.36/x
  3. Step 3: Cross multiply
    158,148.04x = 218,244.16 × 86,528.36
  4. Step 4: Simplify right side
    158,148.04x = 18,884,309,244.38
  5. Step 5: Solve for x
    x = 18,884,309,244.38/158,148.04
  6. Step 6: Final answer
    x = 119,409.06

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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.