Home / 228,268.02-315,009.63-127,666.02

Finding the Fourth Proportional to 228,268.02, 315,009.63 and 127,666.02

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Solution

The fourth proportional to 228,268.02, 315,009.63 and 127,666.02 is: 176,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,268.02 : 315,009.63 = 127,666.02 : x
  2. Step 2: Convert to fraction form
    228,268.02/315,009.63 = 127,666.02/x
  3. Step 3: Cross multiply
    228,268.02x = 315,009.63 × 127,666.02
  4. Step 4: Simplify right side
    228,268.02x = 40,216,025,723.77
  5. Step 5: Solve for x
    x = 40,216,025,723.77/228,268.02
  6. Step 6: Final answer
    x = 176,178.97

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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.