Home / 158,218.52-218,341.62-86,598.56

Finding the Fourth Proportional to 158,218.52, 218,341.62 and 86,598.56

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Solution

The fourth proportional to 158,218.52, 218,341.62 and 86,598.56 is: 119,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,218.52 : 218,341.62 = 86,598.56 : x
  2. Step 2: Convert to fraction form
    158,218.52/218,341.62 = 86,598.56/x
  3. Step 3: Cross multiply
    158,218.52x = 218,341.62 × 86,598.56
  4. Step 4: Simplify right side
    158,218.52x = 18,908,069,880.07
  5. Step 5: Solve for x
    x = 18,908,069,880.07/158,218.52
  6. Step 6: Final answer
    x = 119,506.05

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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.