Home / 127,448.16-175,872-70,848.48

Finding the Fourth Proportional to 127,448.16, 175,872 and 70,848.48

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Solution

The fourth proportional to 127,448.16, 175,872 and 70,848.48 is: 97,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,448.16 : 175,872 = 70,848.48 : x
  2. Step 2: Convert to fraction form
    127,448.16/175,872 = 70,848.48/x
  3. Step 3: Cross multiply
    127,448.16x = 175,872 × 70,848.48
  4. Step 4: Simplify right side
    127,448.16x = 12,460,263,874.56
  5. Step 5: Solve for x
    x = 12,460,263,874.56/127,448.16
  6. Step 6: Final answer
    x = 97,767.31

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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.