Home / 152,247.18-210,086.65-103,088.66

Finding the Fourth Proportional to 152,247.18, 210,086.65 and 103,088.66

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Solution

The fourth proportional to 152,247.18, 210,086.65 and 103,088.66 is: 142,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,247.18 : 210,086.65 = 103,088.66 : x
  2. Step 2: Convert to fraction form
    152,247.18/210,086.65 = 103,088.66/x
  3. Step 3: Cross multiply
    152,247.18x = 210,086.65 × 103,088.66
  4. Step 4: Simplify right side
    152,247.18x = 21,657,551,232.39
  5. Step 5: Solve for x
    x = 21,657,551,232.39/152,247.18
  6. Step 6: Final answer
    x = 142,252.56

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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.