Home / 127,688.99-176,209.14-70,327.22

Finding the Fourth Proportional to 127,688.99, 176,209.14 and 70,327.22

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Solution

The fourth proportional to 127,688.99, 176,209.14 and 70,327.22 is: 97,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,688.99 : 176,209.14 = 70,327.22 : x
  2. Step 2: Convert to fraction form
    127,688.99/176,209.14 = 70,327.22/x
  3. Step 3: Cross multiply
    127,688.99x = 176,209.14 × 70,327.22
  4. Step 4: Simplify right side
    127,688.99x = 12,392,298,954.79
  5. Step 5: Solve for x
    x = 12,392,298,954.79/127,688.99
  6. Step 6: Final answer
    x = 97,050.65

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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.