Home / 121,306.54-167,403.69-70,349.48

Finding the Fourth Proportional to 121,306.54, 167,403.69 and 70,349.48

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Solution

The fourth proportional to 121,306.54, 167,403.69 and 70,349.48 is: 97,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.54 : 167,403.69 = 70,349.48 : x
  2. Step 2: Convert to fraction form
    121,306.54/167,403.69 = 70,349.48/x
  3. Step 3: Cross multiply
    121,306.54x = 167,403.69 × 70,349.48
  4. Step 4: Simplify right side
    121,306.54x = 11,776,762,541.58
  5. Step 5: Solve for x
    x = 11,776,762,541.58/121,306.54
  6. Step 6: Final answer
    x = 97,082.67

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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.