Home / 174,021.48-240,164.76-101,420.55

Finding the Fourth Proportional to 174,021.48, 240,164.76 and 101,420.55

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Solution

The fourth proportional to 174,021.48, 240,164.76 and 101,420.55 is: 139,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,021.48 : 240,164.76 = 101,420.55 : x
  2. Step 2: Convert to fraction form
    174,021.48/240,164.76 = 101,420.55/x
  3. Step 3: Cross multiply
    174,021.48x = 240,164.76 × 101,420.55
  4. Step 4: Simplify right side
    174,021.48x = 24,357,642,049.82
  5. Step 5: Solve for x
    x = 24,357,642,049.82/174,021.48
  6. Step 6: Final answer
    x = 139,969.17

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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.