Home / 127,107.15-175,406.99-70,518.52

Finding the Fourth Proportional to 127,107.15, 175,406.99 and 70,518.52

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Solution

The fourth proportional to 127,107.15, 175,406.99 and 70,518.52 is: 97,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,107.15 : 175,406.99 = 70,518.52 : x
  2. Step 2: Convert to fraction form
    127,107.15/175,406.99 = 70,518.52/x
  3. Step 3: Cross multiply
    127,107.15x = 175,406.99 × 70,518.52
  4. Step 4: Simplify right side
    127,107.15x = 12,369,441,199.12
  5. Step 5: Solve for x
    x = 12,369,441,199.12/127,107.15
  6. Step 6: Final answer
    x = 97,315.07

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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.