Home / 116,011.04-160,172.32-89,105.36

Finding the Fourth Proportional to 116,011.04, 160,172.32 and 89,105.36

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Solution

The fourth proportional to 116,011.04, 160,172.32 and 89,105.36 is: 123,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,011.04 : 160,172.32 = 89,105.36 : x
  2. Step 2: Convert to fraction form
    116,011.04/160,172.32 = 89,105.36/x
  3. Step 3: Cross multiply
    116,011.04x = 160,172.32 × 89,105.36
  4. Step 4: Simplify right side
    116,011.04x = 14,272,212,235.64
  5. Step 5: Solve for x
    x = 14,272,212,235.64/116,011.04
  6. Step 6: Final answer
    x = 123,024.60

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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.