Home / 127,343.04-190,079.76-117,960

Finding the Fourth Proportional to 127,343.04, 190,079.76 and 117,960

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Solution

The fourth proportional to 127,343.04, 190,079.76 and 117,960 is: 176,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.04 : 190,079.76 = 117,960 : x
  2. Step 2: Convert to fraction form
    127,343.04/190,079.76 = 117,960/x
  3. Step 3: Cross multiply
    127,343.04x = 190,079.76 × 117,960
  4. Step 4: Simplify right side
    127,343.04x = 22,421,808,489.60
  5. Step 5: Solve for x
    x = 22,421,808,489.60/127,343.04
  6. Step 6: Final answer
    x = 176,074.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.