Home / 153,527.13-211,883.01-85,555.17

Finding the Fourth Proportional to 153,527.13, 211,883.01 and 85,555.17

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Solution

The fourth proportional to 153,527.13, 211,883.01 and 85,555.17 is: 118,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,527.13 : 211,883.01 = 85,555.17 : x
  2. Step 2: Convert to fraction form
    153,527.13/211,883.01 = 85,555.17/x
  3. Step 3: Cross multiply
    153,527.13x = 211,883.01 × 85,555.17
  4. Step 4: Simplify right side
    153,527.13x = 18,127,686,940.66
  5. Step 5: Solve for x
    x = 18,127,686,940.66/153,527.13
  6. Step 6: Final answer
    x = 118,074.81

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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.