Home / 126,066.84-174,223.04-103,370.64

Finding the Fourth Proportional to 126,066.84, 174,223.04 and 103,370.64

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Solution

The fourth proportional to 126,066.84, 174,223.04 and 103,370.64 is: 142,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066.84 : 174,223.04 = 103,370.64 : x
  2. Step 2: Convert to fraction form
    126,066.84/174,223.04 = 103,370.64/x
  3. Step 3: Cross multiply
    126,066.84x = 174,223.04 × 103,370.64
  4. Step 4: Simplify right side
    126,066.84x = 18,009,547,147.55
  5. Step 5: Solve for x
    x = 18,009,547,147.55/126,066.84
  6. Step 6: Final answer
    x = 142,857.13

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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.