Home / 115,347.32-159,168.26-70,050.12

Finding the Fourth Proportional to 115,347.32, 159,168.26 and 70,050.12

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Solution

The fourth proportional to 115,347.32, 159,168.26 and 70,050.12 is: 96,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,347.32 : 159,168.26 = 70,050.12 : x
  2. Step 2: Convert to fraction form
    115,347.32/159,168.26 = 70,050.12/x
  3. Step 3: Cross multiply
    115,347.32x = 159,168.26 × 70,050.12
  4. Step 4: Simplify right side
    115,347.32x = 11,149,754,897.40
  5. Step 5: Solve for x
    x = 11,149,754,897.40/115,347.32
  6. Step 6: Final answer
    x = 96,662.45

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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.