Home / 133,064.90-183,602.13-76,465.34

Finding the Fourth Proportional to 133,064.90, 183,602.13 and 76,465.34

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Solution

The fourth proportional to 133,064.90, 183,602.13 and 76,465.34 is: 105,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,064.90 : 183,602.13 = 76,465.34 : x
  2. Step 2: Convert to fraction form
    133,064.90/183,602.13 = 76,465.34/x
  3. Step 3: Cross multiply
    133,064.90x = 183,602.13 × 76,465.34
  4. Step 4: Simplify right side
    133,064.90x = 14,039,198,377.16
  5. Step 5: Solve for x
    x = 14,039,198,377.16/133,064.90
  6. Step 6: Final answer
    x = 105,506.40

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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.