Home / 144,602.17-216,940.65-84,681.25

Finding the Fourth Proportional to 144,602.17, 216,940.65 and 84,681.25

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Solution

The fourth proportional to 144,602.17, 216,940.65 and 84,681.25 is: 127,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,602.17 : 216,940.65 = 84,681.25 : x
  2. Step 2: Convert to fraction form
    144,602.17/216,940.65 = 84,681.25/x
  3. Step 3: Cross multiply
    144,602.17x = 216,940.65 × 84,681.25
  4. Step 4: Simplify right side
    144,602.17x = 18,370,805,417.81
  5. Step 5: Solve for x
    x = 18,370,805,417.81/144,602.17
  6. Step 6: Final answer
    x = 127,043.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.