Home / 152,848.16-210,906.96-85,767.20

Finding the Fourth Proportional to 152,848.16, 210,906.96 and 85,767.20

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Solution

The fourth proportional to 152,848.16, 210,906.96 and 85,767.20 is: 118,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,848.16 : 210,906.96 = 85,767.20 : x
  2. Step 2: Convert to fraction form
    152,848.16/210,906.96 = 85,767.20/x
  3. Step 3: Cross multiply
    152,848.16x = 210,906.96 × 85,767.20
  4. Step 4: Simplify right side
    152,848.16x = 18,088,899,419.71
  5. Step 5: Solve for x
    x = 18,088,899,419.71/152,848.16
  6. Step 6: Final answer
    x = 118,345.55

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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.