Home / 111,725.90-154,214.98-64,011.02

Finding the Fourth Proportional to 111,725.90, 154,214.98 and 64,011.02

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Solution

The fourth proportional to 111,725.90, 154,214.98 and 64,011.02 is: 88,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,725.90 : 154,214.98 = 64,011.02 : x
  2. Step 2: Convert to fraction form
    111,725.90/154,214.98 = 64,011.02/x
  3. Step 3: Cross multiply
    111,725.90x = 154,214.98 × 64,011.02
  4. Step 4: Simplify right side
    111,725.90x = 9,871,458,169.08
  5. Step 5: Solve for x
    x = 9,871,458,169.08/111,725.90
  6. Step 6: Final answer
    x = 88,354.25

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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.