Home / 171,126.40-256,663.36-46,437.76

Finding the Fourth Proportional to 171,126.40, 256,663.36 and 46,437.76

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Solution

The fourth proportional to 171,126.40, 256,663.36 and 46,437.76 is: 69,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,126.40 : 256,663.36 = 46,437.76 : x
  2. Step 2: Convert to fraction form
    171,126.40/256,663.36 = 46,437.76/x
  3. Step 3: Cross multiply
    171,126.40x = 256,663.36 × 46,437.76
  4. Step 4: Simplify right side
    171,126.40x = 11,918,871,512.47
  5. Step 5: Solve for x
    x = 11,918,871,512.47/171,126.40
  6. Step 6: Final answer
    x = 69,649.52

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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.