Home / 319,000.07-478,048.73-176,907.84

Finding the Fourth Proportional to 319,000.07, 478,048.73 and 176,907.84

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Solution

The fourth proportional to 319,000.07, 478,048.73 and 176,907.84 is: 265,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,000.07 : 478,048.73 = 176,907.84 : x
  2. Step 2: Convert to fraction form
    319,000.07/478,048.73 = 176,907.84/x
  3. Step 3: Cross multiply
    319,000.07x = 478,048.73 × 176,907.84
  4. Step 4: Simplify right side
    319,000.07x = 84,570,567,354.50
  5. Step 5: Solve for x
    x = 84,570,567,354.50/319,000.07
  6. Step 6: Final answer
    x = 265,111.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.