Home / 153,463.16-211,773.17-85,478.36

Finding the Fourth Proportional to 153,463.16, 211,773.17 and 85,478.36

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Solution

The fourth proportional to 153,463.16, 211,773.17 and 85,478.36 is: 117,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,463.16 : 211,773.17 = 85,478.36 : x
  2. Step 2: Convert to fraction form
    153,463.16/211,773.17 = 85,478.36/x
  3. Step 3: Cross multiply
    153,463.16x = 211,773.17 × 85,478.36
  4. Step 4: Simplify right side
    153,463.16x = 18,102,024,085.06
  5. Step 5: Solve for x
    x = 18,102,024,085.06/153,463.16
  6. Step 6: Final answer
    x = 117,956.81

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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.