Home / 153,134.15-211,382.30-89,492.27

Finding the Fourth Proportional to 153,134.15, 211,382.30 and 89,492.27

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Solution

The fourth proportional to 153,134.15, 211,382.30 and 89,492.27 is: 123,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,134.15 : 211,382.30 = 89,492.27 : x
  2. Step 2: Convert to fraction form
    153,134.15/211,382.30 = 89,492.27/x
  3. Step 3: Cross multiply
    153,134.15x = 211,382.30 × 89,492.27
  4. Step 4: Simplify right side
    153,134.15x = 18,917,081,945.82
  5. Step 5: Solve for x
    x = 18,917,081,945.82/153,134.15
  6. Step 6: Final answer
    x = 123,532.74

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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.