Home / 172,192.50-237,518.43-118,384.10

Finding the Fourth Proportional to 172,192.50, 237,518.43 and 118,384.10

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Solution

The fourth proportional to 172,192.50, 237,518.43 and 118,384.10 is: 163,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,192.50 : 237,518.43 = 118,384.10 : x
  2. Step 2: Convert to fraction form
    172,192.50/237,518.43 = 118,384.10/x
  3. Step 3: Cross multiply
    172,192.50x = 237,518.43 × 118,384.10
  4. Step 4: Simplify right side
    172,192.50x = 28,118,404,828.12
  5. Step 5: Solve for x
    x = 28,118,404,828.12/172,192.50
  6. Step 6: Final answer
    x = 163,296.34

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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.