Home / 130,365.18-179,899.38-73,775.34

Finding the Fourth Proportional to 130,365.18, 179,899.38 and 73,775.34

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Solution

The fourth proportional to 130,365.18, 179,899.38 and 73,775.34 is: 101,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,365.18 : 179,899.38 = 73,775.34 : x
  2. Step 2: Convert to fraction form
    130,365.18/179,899.38 = 73,775.34/x
  3. Step 3: Cross multiply
    130,365.18x = 179,899.38 × 73,775.34
  4. Step 4: Simplify right side
    130,365.18x = 13,272,137,925.29
  5. Step 5: Solve for x
    x = 13,272,137,925.29/130,365.18
  6. Step 6: Final answer
    x = 101,807.38

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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.