Home / 233,036.40-349,381.80-99,807.60

Finding the Fourth Proportional to 233,036.40, 349,381.80 and 99,807.60

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Solution

The fourth proportional to 233,036.40, 349,381.80 and 99,807.60 is: 149,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,036.40 : 349,381.80 = 99,807.60 : x
  2. Step 2: Convert to fraction form
    233,036.40/349,381.80 = 99,807.60/x
  3. Step 3: Cross multiply
    233,036.40x = 349,381.80 × 99,807.60
  4. Step 4: Simplify right side
    233,036.40x = 34,870,958,941.68
  5. Step 5: Solve for x
    x = 34,870,958,941.68/233,036.40
  6. Step 6: Final answer
    x = 149,637.39

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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.