Home / 133,110.02-183,692.21-72,681.18

Finding the Fourth Proportional to 133,110.02, 183,692.21 and 72,681.18

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Solution

The fourth proportional to 133,110.02, 183,692.21 and 72,681.18 is: 100,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,110.02 : 183,692.21 = 72,681.18 : x
  2. Step 2: Convert to fraction form
    133,110.02/183,692.21 = 72,681.18/x
  3. Step 3: Cross multiply
    133,110.02x = 183,692.21 × 72,681.18
  4. Step 4: Simplify right side
    133,110.02x = 13,350,966,216.20
  5. Step 5: Solve for x
    x = 13,350,966,216.20/133,110.02
  6. Step 6: Final answer
    x = 100,300.24

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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.