Home / 153,501.66-211,818.24-89,844.30

Finding the Fourth Proportional to 153,501.66, 211,818.24 and 89,844.30

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Solution

The fourth proportional to 153,501.66, 211,818.24 and 89,844.30 is: 123,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,501.66 : 211,818.24 = 89,844.30 : x
  2. Step 2: Convert to fraction form
    153,501.66/211,818.24 = 89,844.30/x
  3. Step 3: Cross multiply
    153,501.66x = 211,818.24 × 89,844.30
  4. Step 4: Simplify right side
    153,501.66x = 19,030,661,500.03
  5. Step 5: Solve for x
    x = 19,030,661,500.03/153,501.66
  6. Step 6: Final answer
    x = 123,976.91

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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.