Home / 334,421.22-501,630.47-121,139.22

Finding the Fourth Proportional to 334,421.22, 501,630.47 and 121,139.22

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Solution

The fourth proportional to 334,421.22, 501,630.47 and 121,139.22 is: 181,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,421.22 : 501,630.47 = 121,139.22 : x
  2. Step 2: Convert to fraction form
    334,421.22/501,630.47 = 121,139.22/x
  3. Step 3: Cross multiply
    334,421.22x = 501,630.47 × 121,139.22
  4. Step 4: Simplify right side
    334,421.22x = 60,767,123,258.34
  5. Step 5: Solve for x
    x = 60,767,123,258.34/334,421.22
  6. Step 6: Final answer
    x = 181,708.34

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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.