Home / 105,250.02-145,243.33-57,502.34

Finding the Fourth Proportional to 105,250.02, 145,243.33 and 57,502.34

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Solution

The fourth proportional to 105,250.02, 145,243.33 and 57,502.34 is: 79,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,250.02 : 145,243.33 = 57,502.34 : x
  2. Step 2: Convert to fraction form
    105,250.02/145,243.33 = 57,502.34/x
  3. Step 3: Cross multiply
    105,250.02x = 145,243.33 × 57,502.34
  4. Step 4: Simplify right side
    105,250.02x = 8,351,831,019.08
  5. Step 5: Solve for x
    x = 8,351,831,019.08/105,250.02
  6. Step 6: Final answer
    x = 79,352.30

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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.