Home / 168,290.08-232,223.28-99,368.80

Finding the Fourth Proportional to 168,290.08, 232,223.28 and 99,368.80

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Solution

The fourth proportional to 168,290.08, 232,223.28 and 99,368.80 is: 137,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,290.08 : 232,223.28 = 99,368.80 : x
  2. Step 2: Convert to fraction form
    168,290.08/232,223.28 = 99,368.80/x
  3. Step 3: Cross multiply
    168,290.08x = 232,223.28 × 99,368.80
  4. Step 4: Simplify right side
    168,290.08x = 23,075,748,665.66
  5. Step 5: Solve for x
    x = 23,075,748,665.66/168,290.08
  6. Step 6: Final answer
    x = 137,118.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.