Home / 459,547.04-689,320.64-144,003.84

Finding the Fourth Proportional to 459,547.04, 689,320.64 and 144,003.84

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Solution

The fourth proportional to 459,547.04, 689,320.64 and 144,003.84 is: 216,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,547.04 : 689,320.64 = 144,003.84 : x
  2. Step 2: Convert to fraction form
    459,547.04/689,320.64 = 144,003.84/x
  3. Step 3: Cross multiply
    459,547.04x = 689,320.64 × 144,003.84
  4. Step 4: Simplify right side
    459,547.04x = 99,264,819,151.26
  5. Step 5: Solve for x
    x = 99,264,819,151.26/459,547.04
  6. Step 6: Final answer
    x = 216,005.79

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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.