Home / 132,661.19-183,075.71-72,235.16

Finding the Fourth Proportional to 132,661.19, 183,075.71 and 72,235.16

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Solution

The fourth proportional to 132,661.19, 183,075.71 and 72,235.16 is: 99,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,661.19 : 183,075.71 = 72,235.16 : x
  2. Step 2: Convert to fraction form
    132,661.19/183,075.71 = 72,235.16/x
  3. Step 3: Cross multiply
    132,661.19x = 183,075.71 × 72,235.16
  4. Step 4: Simplify right side
    132,661.19x = 13,224,502,288.59
  5. Step 5: Solve for x
    x = 13,224,502,288.59/132,661.19
  6. Step 6: Final answer
    x = 99,686.30

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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.