Home / 161,089.02-222,312.87-97,429.50

Finding the Fourth Proportional to 161,089.02, 222,312.87 and 97,429.50

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Solution

The fourth proportional to 161,089.02, 222,312.87 and 97,429.50 is: 134,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,089.02 : 222,312.87 = 97,429.50 : x
  2. Step 2: Convert to fraction form
    161,089.02/222,312.87 = 97,429.50/x
  3. Step 3: Cross multiply
    161,089.02x = 222,312.87 × 97,429.50
  4. Step 4: Simplify right side
    161,089.02x = 21,659,831,767.67
  5. Step 5: Solve for x
    x = 21,659,831,767.67/161,089.02
  6. Step 6: Final answer
    x = 134,458.77

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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.