Home / 443,875.04-665,875.74-144,259.28

Finding the Fourth Proportional to 443,875.04, 665,875.74 and 144,259.28

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Solution

The fourth proportional to 443,875.04, 665,875.74 and 144,259.28 is: 216,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,875.04 : 665,875.74 = 144,259.28 : x
  2. Step 2: Convert to fraction form
    443,875.04/665,875.74 = 144,259.28/x
  3. Step 3: Cross multiply
    443,875.04x = 665,875.74 × 144,259.28
  4. Step 4: Simplify right side
    443,875.04x = 96,058,754,821.87
  5. Step 5: Solve for x
    x = 96,058,754,821.87/443,875.04
  6. Step 6: Final answer
    x = 216,409.45

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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.