Home / 134,330.84-185,501.04-86,666.12

Finding the Fourth Proportional to 134,330.84, 185,501.04 and 86,666.12

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Solution

The fourth proportional to 134,330.84, 185,501.04 and 86,666.12 is: 119,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,330.84 : 185,501.04 = 86,666.12 : x
  2. Step 2: Convert to fraction form
    134,330.84/185,501.04 = 86,666.12/x
  3. Step 3: Cross multiply
    134,330.84x = 185,501.04 × 86,666.12
  4. Step 4: Simplify right side
    134,330.84x = 16,076,655,392.76
  5. Step 5: Solve for x
    x = 16,076,655,392.76/134,330.84
  6. Step 6: Final answer
    x = 119,679.56

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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.