Home / 115,470.36-159,360.75-70,152.89

Finding the Fourth Proportional to 115,470.36, 159,360.75 and 70,152.89

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Solution

The fourth proportional to 115,470.36, 159,360.75 and 70,152.89 is: 96,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,470.36 : 159,360.75 = 70,152.89 : x
  2. Step 2: Convert to fraction form
    115,470.36/159,360.75 = 70,152.89/x
  3. Step 3: Cross multiply
    115,470.36x = 159,360.75 × 70,152.89
  4. Step 4: Simplify right side
    115,470.36x = 11,179,616,368.26
  5. Step 5: Solve for x
    x = 11,179,616,368.26/115,470.36
  6. Step 6: Final answer
    x = 96,818.06

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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.