Home / 127,347.04-190,085.72-117,964

Finding the Fourth Proportional to 127,347.04, 190,085.72 and 117,964

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Solution

The fourth proportional to 127,347.04, 190,085.72 and 117,964 is: 176,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,347.04 : 190,085.72 = 117,964 : x
  2. Step 2: Convert to fraction form
    127,347.04/190,085.72 = 117,964/x
  3. Step 3: Cross multiply
    127,347.04x = 190,085.72 × 117,964
  4. Step 4: Simplify right side
    127,347.04x = 22,423,271,874.08
  5. Step 5: Solve for x
    x = 22,423,271,874.08/127,347.04
  6. Step 6: Final answer
    x = 176,080.04

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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.