Home / 134,328.84-185,498.28-86,664.12

Finding the Fourth Proportional to 134,328.84, 185,498.28 and 86,664.12

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Solution

The fourth proportional to 134,328.84, 185,498.28 and 86,664.12 is: 119,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,328.84 : 185,498.28 = 86,664.12 : x
  2. Step 2: Convert to fraction form
    134,328.84/185,498.28 = 86,664.12/x
  3. Step 3: Cross multiply
    134,328.84x = 185,498.28 × 86,664.12
  4. Step 4: Simplify right side
    134,328.84x = 16,076,045,197.71
  5. Step 5: Solve for x
    x = 16,076,045,197.71/134,328.84
  6. Step 6: Final answer
    x = 119,676.80

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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.