Home / 105,666.02-145,841.15-97,154.70

Finding the Fourth Proportional to 105,666.02, 145,841.15 and 97,154.70

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Solution

The fourth proportional to 105,666.02, 145,841.15 and 97,154.70 is: 134,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,666.02 : 145,841.15 = 97,154.70 : x
  2. Step 2: Convert to fraction form
    105,666.02/145,841.15 = 97,154.70/x
  3. Step 3: Cross multiply
    105,666.02x = 145,841.15 × 97,154.70
  4. Step 4: Simplify right side
    105,666.02x = 14,169,152,871.89
  5. Step 5: Solve for x
    x = 14,169,152,871.89/105,666.02
  6. Step 6: Final answer
    x = 134,093.74

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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.