Home / 161,629.54-223,050.95-90,011.36

Finding the Fourth Proportional to 161,629.54, 223,050.95 and 90,011.36

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Solution

The fourth proportional to 161,629.54, 223,050.95 and 90,011.36 is: 124,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,629.54 : 223,050.95 = 90,011.36 : x
  2. Step 2: Convert to fraction form
    161,629.54/223,050.95 = 90,011.36/x
  3. Step 3: Cross multiply
    161,629.54x = 223,050.95 × 90,011.36
  4. Step 4: Simplify right side
    161,629.54x = 20,077,119,803.91
  5. Step 5: Solve for x
    x = 20,077,119,803.91/161,629.54
  6. Step 6: Final answer
    x = 124,216.90

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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.