Home / 133,030.06-183,611.55-90,605.50

Finding the Fourth Proportional to 133,030.06, 183,611.55 and 90,605.50

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Solution

The fourth proportional to 133,030.06, 183,611.55 and 90,605.50 is: 125,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030.06 : 183,611.55 = 90,605.50 : x
  2. Step 2: Convert to fraction form
    133,030.06/183,611.55 = 90,605.50/x
  3. Step 3: Cross multiply
    133,030.06x = 183,611.55 × 90,605.50
  4. Step 4: Simplify right side
    133,030.06x = 16,636,216,293.53
  5. Step 5: Solve for x
    x = 16,636,216,293.53/133,030.06
  6. Step 6: Final answer
    x = 125,056.07

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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.