Home / 459,870.96-689,804.88-144,351.36

Finding the Fourth Proportional to 459,870.96, 689,804.88 and 144,351.36

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Solution

The fourth proportional to 459,870.96, 689,804.88 and 144,351.36 is: 216,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,870.96 : 689,804.88 = 144,351.36 : x
  2. Step 2: Convert to fraction form
    459,870.96/689,804.88 = 144,351.36/x
  3. Step 3: Cross multiply
    459,870.96x = 689,804.88 × 144,351.36
  4. Step 4: Simplify right side
    459,870.96x = 99,574,272,562.64
  5. Step 5: Solve for x
    x = 99,574,272,562.64/459,870.96
  6. Step 6: Final answer
    x = 216,526.55

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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.