Home / 103,572.06-155,250.36-70,294.84

Finding the Fourth Proportional to 103,572.06, 155,250.36 and 70,294.84

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Solution

The fourth proportional to 103,572.06, 155,250.36 and 70,294.84 is: 105,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,572.06 : 155,250.36 = 70,294.84 : x
  2. Step 2: Convert to fraction form
    103,572.06/155,250.36 = 70,294.84/x
  3. Step 3: Cross multiply
    103,572.06x = 155,250.36 × 70,294.84
  4. Step 4: Simplify right side
    103,572.06x = 10,913,299,216.14
  5. Step 5: Solve for x
    x = 10,913,299,216.14/103,572.06
  6. Step 6: Final answer
    x = 105,369.14

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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.