Home / 265,110.16-397,726.74-87,606.40

Finding the Fourth Proportional to 265,110.16, 397,726.74 and 87,606.40

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Solution

The fourth proportional to 265,110.16, 397,726.74 and 87,606.40 is: 131,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,110.16 : 397,726.74 = 87,606.40 : x
  2. Step 2: Convert to fraction form
    265,110.16/397,726.74 = 87,606.40/x
  3. Step 3: Cross multiply
    265,110.16x = 397,726.74 × 87,606.40
  4. Step 4: Simplify right side
    265,110.16x = 34,843,407,875.14
  5. Step 5: Solve for x
    x = 34,843,407,875.14/265,110.16
  6. Step 6: Final answer
    x = 131,429.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.