Home / 192,526.25-265,779.02-128,102.69

Finding the Fourth Proportional to 192,526.25, 265,779.02 and 128,102.69

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Solution

The fourth proportional to 192,526.25, 265,779.02 and 128,102.69 is: 176,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,526.25 : 265,779.02 = 128,102.69 : x
  2. Step 2: Convert to fraction form
    192,526.25/265,779.02 = 128,102.69/x
  3. Step 3: Cross multiply
    192,526.25x = 265,779.02 × 128,102.69
  4. Step 4: Simplify right side
    192,526.25x = 34,047,008,392.27
  5. Step 5: Solve for x
    x = 34,047,008,392.27/192,526.25
  6. Step 6: Final answer
    x = 176,843.47

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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.