Home / 210,994.07-291,176.98-115,500.53

Finding the Fourth Proportional to 210,994.07, 291,176.98 and 115,500.53

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Solution

The fourth proportional to 210,994.07, 291,176.98 and 115,500.53 is: 159,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,994.07 : 291,176.98 = 115,500.53 : x
  2. Step 2: Convert to fraction form
    210,994.07/291,176.98 = 115,500.53/x
  3. Step 3: Cross multiply
    210,994.07x = 291,176.98 × 115,500.53
  4. Step 4: Simplify right side
    210,994.07x = 33,631,095,952.99
  5. Step 5: Solve for x
    x = 33,631,095,952.99/210,994.07
  6. Step 6: Final answer
    x = 159,393.56

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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.