Home / 160,365.36-221,307.80-103,875.04

Finding the Fourth Proportional to 160,365.36, 221,307.80 and 103,875.04

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Solution

The fourth proportional to 160,365.36, 221,307.80 and 103,875.04 is: 143,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,365.36 : 221,307.80 = 103,875.04 : x
  2. Step 2: Convert to fraction form
    160,365.36/221,307.80 = 103,875.04/x
  3. Step 3: Cross multiply
    160,365.36x = 221,307.80 × 103,875.04
  4. Step 4: Simplify right side
    160,365.36x = 22,988,356,577.31
  5. Step 5: Solve for x
    x = 22,988,356,577.31/160,365.36
  6. Step 6: Final answer
    x = 143,349.89

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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.