Home / 113,346.96-170,020.80-42,254.88

Finding the Fourth Proportional to 113,346.96, 170,020.80 and 42,254.88

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Solution

The fourth proportional to 113,346.96, 170,020.80 and 42,254.88 is: 63,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.96 : 170,020.80 = 42,254.88 : x
  2. Step 2: Convert to fraction form
    113,346.96/170,020.80 = 42,254.88/x
  3. Step 3: Cross multiply
    113,346.96x = 170,020.80 × 42,254.88
  4. Step 4: Simplify right side
    113,346.96x = 7,184,208,501.50
  5. Step 5: Solve for x
    x = 7,184,208,501.50/113,346.96
  6. Step 6: Final answer
    x = 63,382.45

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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.