Home / 282,926.86-390,440.66-153,866.84

Finding the Fourth Proportional to 282,926.86, 390,440.66 and 153,866.84

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Solution

The fourth proportional to 282,926.86, 390,440.66 and 153,866.84 is: 212,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,926.86 : 390,440.66 = 153,866.84 : x
  2. Step 2: Convert to fraction form
    282,926.86/390,440.66 = 153,866.84/x
  3. Step 3: Cross multiply
    282,926.86x = 390,440.66 × 153,866.84
  4. Step 4: Simplify right side
    282,926.86x = 60,075,867,840.18
  5. Step 5: Solve for x
    x = 60,075,867,840.18/282,926.86
  6. Step 6: Final answer
    x = 212,337.10

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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.