Home / 133,030.04-183,585.32-72,604.56

Finding the Fourth Proportional to 133,030.04, 183,585.32 and 72,604.56

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Solution

The fourth proportional to 133,030.04, 183,585.32 and 72,604.56 is: 100,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030.04 : 183,585.32 = 72,604.56 : x
  2. Step 2: Convert to fraction form
    133,030.04/183,585.32 = 72,604.56/x
  3. Step 3: Cross multiply
    133,030.04x = 183,585.32 × 72,604.56
  4. Step 4: Simplify right side
    133,030.04x = 13,329,131,381.06
  5. Step 5: Solve for x
    x = 13,329,131,381.06/133,030.04
  6. Step 6: Final answer
    x = 100,196.40

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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.