Home / 181,075.02-249,871.80-100,502.58

Finding the Fourth Proportional to 181,075.02, 249,871.80 and 100,502.58

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Solution

The fourth proportional to 181,075.02, 249,871.80 and 100,502.58 is: 138,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,075.02 : 249,871.80 = 100,502.58 : x
  2. Step 2: Convert to fraction form
    181,075.02/249,871.80 = 100,502.58/x
  3. Step 3: Cross multiply
    181,075.02x = 249,871.80 × 100,502.58
  4. Step 4: Simplify right side
    181,075.02x = 25,112,760,569.24
  5. Step 5: Solve for x
    x = 25,112,760,569.24/181,075.02
  6. Step 6: Final answer
    x = 138,687.05

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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.