Home / 153,566.46-211,824.72-105,736.74

Finding the Fourth Proportional to 153,566.46, 211,824.72 and 105,736.74

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Solution

The fourth proportional to 153,566.46, 211,824.72 and 105,736.74 is: 145,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,566.46 : 211,824.72 = 105,736.74 : x
  2. Step 2: Convert to fraction form
    153,566.46/211,824.72 = 105,736.74/x
  3. Step 3: Cross multiply
    153,566.46x = 211,824.72 × 105,736.74
  4. Step 4: Simplify right side
    153,566.46x = 22,397,655,344.21
  5. Step 5: Solve for x
    x = 22,397,655,344.21/153,566.46
  6. Step 6: Final answer
    x = 145,849.92

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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.