Home / 126,317.79-174,312.14-69,718.23

Finding the Fourth Proportional to 126,317.79, 174,312.14 and 69,718.23

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Solution

The fourth proportional to 126,317.79, 174,312.14 and 69,718.23 is: 96,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317.79 : 174,312.14 = 69,718.23 : x
  2. Step 2: Convert to fraction form
    126,317.79/174,312.14 = 69,718.23/x
  3. Step 3: Cross multiply
    126,317.79x = 174,312.14 × 69,718.23
  4. Step 4: Simplify right side
    126,317.79x = 12,152,733,519.72
  5. Step 5: Solve for x
    x = 12,152,733,519.72/126,317.79
  6. Step 6: Final answer
    x = 96,207.62

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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.