Home / 154,627.24-213,387.87-90,095.08

Finding the Fourth Proportional to 154,627.24, 213,387.87 and 90,095.08

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Solution

The fourth proportional to 154,627.24, 213,387.87 and 90,095.08 is: 124,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,627.24 : 213,387.87 = 90,095.08 : x
  2. Step 2: Convert to fraction form
    154,627.24/213,387.87 = 90,095.08/x
  3. Step 3: Cross multiply
    154,627.24x = 213,387.87 × 90,095.08
  4. Step 4: Simplify right side
    154,627.24x = 19,225,197,218.68
  5. Step 5: Solve for x
    x = 19,225,197,218.68/154,627.24
  6. Step 6: Final answer
    x = 124,332.54

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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.