Home / 316,106.40-436,222.64-180,148.44

Finding the Fourth Proportional to 316,106.40, 436,222.64 and 180,148.44

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Solution

The fourth proportional to 316,106.40, 436,222.64 and 180,148.44 is: 248,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,106.40 : 436,222.64 = 180,148.44 : x
  2. Step 2: Convert to fraction form
    316,106.40/436,222.64 = 180,148.44/x
  3. Step 3: Cross multiply
    316,106.40x = 436,222.64 × 180,148.44
  4. Step 4: Simplify right side
    316,106.40x = 78,584,828,088.68
  5. Step 5: Solve for x
    x = 78,584,828,088.68/316,106.40
  6. Step 6: Final answer
    x = 248,602.46

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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.