Home / 121,674.02-167,900.67-70,678.31

Finding the Fourth Proportional to 121,674.02, 167,900.67 and 70,678.31

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Solution

The fourth proportional to 121,674.02, 167,900.67 and 70,678.31 is: 97,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,674.02 : 167,900.67 = 70,678.31 : x
  2. Step 2: Convert to fraction form
    121,674.02/167,900.67 = 70,678.31/x
  3. Step 3: Cross multiply
    121,674.02x = 167,900.67 × 70,678.31
  4. Step 4: Simplify right side
    121,674.02x = 11,866,934,763.96
  5. Step 5: Solve for x
    x = 11,866,934,763.96/121,674.02
  6. Step 6: Final answer
    x = 97,530.56

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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.