Home / 153,066.86-211,234.79-84,159.23

Finding the Fourth Proportional to 153,066.86, 211,234.79 and 84,159.23

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Solution

The fourth proportional to 153,066.86, 211,234.79 and 84,159.23 is: 116,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,066.86 : 211,234.79 = 84,159.23 : x
  2. Step 2: Convert to fraction form
    153,066.86/211,234.79 = 84,159.23/x
  3. Step 3: Cross multiply
    153,066.86x = 211,234.79 × 84,159.23
  4. Step 4: Simplify right side
    153,066.86x = 17,777,358,419.83
  5. Step 5: Solve for x
    x = 17,777,358,419.83/153,066.86
  6. Step 6: Final answer
    x = 116,141.13

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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.