Home / 113,883.04-170,430.90-71,173.36

Finding the Fourth Proportional to 113,883.04, 170,430.90 and 71,173.36

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Solution

The fourth proportional to 113,883.04, 170,430.90 and 71,173.36 is: 106,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,883.04 : 170,430.90 = 71,173.36 : x
  2. Step 2: Convert to fraction form
    113,883.04/170,430.90 = 71,173.36/x
  3. Step 3: Cross multiply
    113,883.04x = 170,430.90 × 71,173.36
  4. Step 4: Simplify right side
    113,883.04x = 12,130,139,800.82
  5. Step 5: Solve for x
    x = 12,130,139,800.82/113,883.04
  6. Step 6: Final answer
    x = 106,514.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.