Home / 174,643.86-261,779.28-99,602.43

Finding the Fourth Proportional to 174,643.86, 261,779.28 and 99,602.43

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Solution

The fourth proportional to 174,643.86, 261,779.28 and 99,602.43 is: 149,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,643.86 : 261,779.28 = 99,602.43 : x
  2. Step 2: Convert to fraction form
    174,643.86/261,779.28 = 99,602.43/x
  3. Step 3: Cross multiply
    174,643.86x = 261,779.28 × 99,602.43
  4. Step 4: Simplify right side
    174,643.86x = 26,073,852,411.65
  5. Step 5: Solve for x
    x = 26,073,852,411.65/174,643.86
  6. Step 6: Final answer
    x = 149,297.28

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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.