Home / 190,332.41-262,539.90-122,437.89

Finding the Fourth Proportional to 190,332.41, 262,539.90 and 122,437.89

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Solution

The fourth proportional to 190,332.41, 262,539.90 and 122,437.89 is: 168,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,332.41 : 262,539.90 = 122,437.89 : x
  2. Step 2: Convert to fraction form
    190,332.41/262,539.90 = 122,437.89/x
  3. Step 3: Cross multiply
    190,332.41x = 262,539.90 × 122,437.89
  4. Step 4: Simplify right side
    190,332.41x = 32,144,831,396.81
  5. Step 5: Solve for x
    x = 32,144,831,396.81/190,332.41
  6. Step 6: Final answer
    x = 168,887.85

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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.