Home / 121,346.10-181,889.55-46,437.30

Finding the Fourth Proportional to 121,346.10, 181,889.55 and 46,437.30

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Solution

The fourth proportional to 121,346.10, 181,889.55 and 46,437.30 is: 69,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,346.10 : 181,889.55 = 46,437.30 : x
  2. Step 2: Convert to fraction form
    121,346.10/181,889.55 = 46,437.30/x
  3. Step 3: Cross multiply
    121,346.10x = 181,889.55 × 46,437.30
  4. Step 4: Simplify right side
    121,346.10x = 8,446,459,600.22
  5. Step 5: Solve for x
    x = 8,446,459,600.22/121,346.10
  6. Step 6: Final answer
    x = 69,606.35

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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.