Home / 346,477.36-519,750-144,031.60

Finding the Fourth Proportional to 346,477.36, 519,750 and 144,031.60

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Solution

The fourth proportional to 346,477.36, 519,750 and 144,031.60 is: 216,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,477.36 : 519,750 = 144,031.60 : x
  2. Step 2: Convert to fraction form
    346,477.36/519,750 = 144,031.60/x
  3. Step 3: Cross multiply
    346,477.36x = 519,750 × 144,031.60
  4. Step 4: Simplify right side
    346,477.36x = 74,860,424,100
  5. Step 5: Solve for x
    x = 74,860,424,100/346,477.36
  6. Step 6: Final answer
    x = 216,061.52

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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.