Home / 127,088.46-175,403.07-70,518.06

Finding the Fourth Proportional to 127,088.46, 175,403.07 and 70,518.06

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Solution

The fourth proportional to 127,088.46, 175,403.07 and 70,518.06 is: 97,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,088.46 : 175,403.07 = 70,518.06 : x
  2. Step 2: Convert to fraction form
    127,088.46/175,403.07 = 70,518.06/x
  3. Step 3: Cross multiply
    127,088.46x = 175,403.07 × 70,518.06
  4. Step 4: Simplify right side
    127,088.46x = 12,369,084,214.44
  5. Step 5: Solve for x
    x = 12,369,084,214.44/127,088.46
  6. Step 6: Final answer
    x = 97,326.57

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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.