Home / 104,824.80-157,256.40-42,501.60

Finding the Fourth Proportional to 104,824.80, 157,256.40 and 42,501.60

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Solution

The fourth proportional to 104,824.80, 157,256.40 and 42,501.60 is: 63,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,824.80 : 157,256.40 = 42,501.60 : x
  2. Step 2: Convert to fraction form
    104,824.80/157,256.40 = 42,501.60/x
  3. Step 3: Cross multiply
    104,824.80x = 157,256.40 × 42,501.60
  4. Step 4: Simplify right side
    104,824.80x = 6,683,648,610.24
  5. Step 5: Solve for x
    x = 6,683,648,610.24/104,824.80
  6. Step 6: Final answer
    x = 63,760.18

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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.