Home / 130,223.25-179,709.17-70,607.25

Finding the Fourth Proportional to 130,223.25, 179,709.17 and 70,607.25

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Solution

The fourth proportional to 130,223.25, 179,709.17 and 70,607.25 is: 97,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,223.25 : 179,709.17 = 70,607.25 : x
  2. Step 2: Convert to fraction form
    130,223.25/179,709.17 = 70,607.25/x
  3. Step 3: Cross multiply
    130,223.25x = 179,709.17 × 70,607.25
  4. Step 4: Simplify right side
    130,223.25x = 12,688,769,940.45
  5. Step 5: Solve for x
    x = 12,688,769,940.45/130,223.25
  6. Step 6: Final answer
    x = 97,438.59

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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.