Home / 185,259.60-255,707.10-127,908.36

Finding the Fourth Proportional to 185,259.60, 255,707.10 and 127,908.36

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Solution

The fourth proportional to 185,259.60, 255,707.10 and 127,908.36 is: 176,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,259.60 : 255,707.10 = 127,908.36 : x
  2. Step 2: Convert to fraction form
    185,259.60/255,707.10 = 127,908.36/x
  3. Step 3: Cross multiply
    185,259.60x = 255,707.10 × 127,908.36
  4. Step 4: Simplify right side
    185,259.60x = 32,707,075,801.36
  5. Step 5: Solve for x
    x = 32,707,075,801.36/185,259.60
  6. Step 6: Final answer
    x = 176,547.27

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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.