Home / 105,334.40-158,001.60-60,938.30

Finding the Fourth Proportional to 105,334.40, 158,001.60 and 60,938.30

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Solution

The fourth proportional to 105,334.40, 158,001.60 and 60,938.30 is: 91,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,334.40 : 158,001.60 = 60,938.30 : x
  2. Step 2: Convert to fraction form
    105,334.40/158,001.60 = 60,938.30/x
  3. Step 3: Cross multiply
    105,334.40x = 158,001.60 × 60,938.30
  4. Step 4: Simplify right side
    105,334.40x = 9,628,348,901.28
  5. Step 5: Solve for x
    x = 9,628,348,901.28/105,334.40
  6. Step 6: Final answer
    x = 91,407.45

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1.5x scale

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.