Home / 102,528.30-153,792.45-47,232.30

Finding the Fourth Proportional to 102,528.30, 153,792.45 and 47,232.30

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Solution

The fourth proportional to 102,528.30, 153,792.45 and 47,232.30 is: 70,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528.30 : 153,792.45 = 47,232.30 : x
  2. Step 2: Convert to fraction form
    102,528.30/153,792.45 = 47,232.30/x
  3. Step 3: Cross multiply
    102,528.30x = 153,792.45 × 47,232.30
  4. Step 4: Simplify right side
    102,528.30x = 7,263,971,136.14
  5. Step 5: Solve for x
    x = 7,263,971,136.14/102,528.30
  6. Step 6: Final answer
    x = 70,848.45

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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.